diff --git a/manifest.json b/manifest.json
index df71ce2fc..95f6dac84 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,6 +1,6 @@
 {
     "variables": {
-        "${LATEST}": "3.342.6"
+        "${LATEST}": "3.342.8"
     },
     "endpoints": "https://raw.githubusercontent.com/aws/aws-sdk-php/${LATEST}/src/data/endpoints.json",
     "services": {
diff --git a/src/Service/MediaConvert/CHANGELOG.md b/src/Service/MediaConvert/CHANGELOG.md
index 230ec3393..72442b3cd 100644
--- a/src/Service/MediaConvert/CHANGELOG.md
+++ b/src/Service/MediaConvert/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## NOT RELEASED
 
+### Added
+
+- AWS api-change: This release adds support for AVC passthrough, the ability to specify PTS offset without padding, and an A/V segment matching feature.
+
 ## 1.6.0
 
 ### Added
diff --git a/src/Service/MediaConvert/composer.json b/src/Service/MediaConvert/composer.json
index de2d10564..ef25c63af 100644
--- a/src/Service/MediaConvert/composer.json
+++ b/src/Service/MediaConvert/composer.json
@@ -28,7 +28,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "1.6-dev"
+            "dev-master": "1.7-dev"
         }
     }
 }
diff --git a/src/Service/MediaConvert/src/Enum/CmafSegmentLengthControl.php b/src/Service/MediaConvert/src/Enum/CmafSegmentLengthControl.php
index 8f0408326..f4476853e 100644
--- a/src/Service/MediaConvert/src/Enum/CmafSegmentLengthControl.php
+++ b/src/Service/MediaConvert/src/Enum/CmafSegmentLengthControl.php
@@ -3,20 +3,30 @@
 namespace AsyncAws\MediaConvert\Enum;
 
 /**
- * Specify how you want MediaConvert to determine the segment length. Choose Exact to have the encoder use the exact
- * length that you specify with the setting Segment length. This might result in extra I-frames. Choose Multiple of GOP
- * to have the encoder round up the segment lengths to match the next GOP boundary.
+ * Specify how you want MediaConvert to determine segment lengths in this output group. To use the exact value that you
+ * specify under Segment length: Choose Exact. Note that this might result in additional I-frames in the output GOP. To
+ * create segment lengths that are a multiple of the GOP: Choose Multiple of GOP. MediaConvert will round up the segment
+ * lengths to match the next GOP boundary. To have MediaConvert automatically determine a segment duration that is a
+ * multiple of both the audio packets and the frame rates: Choose Match. When you do, also specify a target segment
+ * duration under Segment length. This is useful for some ad-insertion or segment replacement workflows. Note that Match
+ * has the following requirements: - Output containers: Include at least one video output and at least one audio output.
+ * Audio-only outputs are not supported. - Output frame rate: Follow source is not supported. - Multiple output frame
+ * rates: When you specify multiple outputs, we recommend they share a similar frame rate (as in X/3, X/2, X, or 2X).
+ * For example: 5, 15, 30 and 60. Or: 25 and 50. (Outputs must share an integer multiple.) - Output audio codec: Specify
+ * Advanced Audio Coding (AAC). - Output sample rate: Choose 48kHz.
  */
 final class CmafSegmentLengthControl
 {
     public const EXACT = 'EXACT';
     public const GOP_MULTIPLE = 'GOP_MULTIPLE';
+    public const MATCH = 'MATCH';
 
     public static function exists(string $value): bool
     {
         return isset([
             self::EXACT => true,
             self::GOP_MULTIPLE => true,
+            self::MATCH => true,
         ][$value]);
     }
 }
diff --git a/src/Service/MediaConvert/src/Enum/DashIsoSegmentLengthControl.php b/src/Service/MediaConvert/src/Enum/DashIsoSegmentLengthControl.php
index a92aa4c40..47b023f02 100644
--- a/src/Service/MediaConvert/src/Enum/DashIsoSegmentLengthControl.php
+++ b/src/Service/MediaConvert/src/Enum/DashIsoSegmentLengthControl.php
@@ -3,20 +3,30 @@
 namespace AsyncAws\MediaConvert\Enum;
 
 /**
- * Specify how you want MediaConvert to determine the segment length. Choose Exact to have the encoder use the exact
- * length that you specify with the setting Segment length. This might result in extra I-frames. Choose Multiple of GOP
- * to have the encoder round up the segment lengths to match the next GOP boundary.
+ * Specify how you want MediaConvert to determine segment lengths in this output group. To use the exact value that you
+ * specify under Segment length: Choose Exact. Note that this might result in additional I-frames in the output GOP. To
+ * create segment lengths that are a multiple of the GOP: Choose Multiple of GOP. MediaConvert will round up the segment
+ * lengths to match the next GOP boundary. To have MediaConvert automatically determine a segment duration that is a
+ * multiple of both the audio packets and the frame rates: Choose Match. When you do, also specify a target segment
+ * duration under Segment length. This is useful for some ad-insertion or segment replacement workflows. Note that Match
+ * has the following requirements: - Output containers: Include at least one video output and at least one audio output.
+ * Audio-only outputs are not supported. - Output frame rate: Follow source is not supported. - Multiple output frame
+ * rates: When you specify multiple outputs, we recommend they share a similar frame rate (as in X/3, X/2, X, or 2X).
+ * For example: 5, 15, 30 and 60. Or: 25 and 50. (Outputs must share an integer multiple.) - Output audio codec: Specify
+ * Advanced Audio Coding (AAC). - Output sample rate: Choose 48kHz.
  */
 final class DashIsoSegmentLengthControl
 {
     public const EXACT = 'EXACT';
     public const GOP_MULTIPLE = 'GOP_MULTIPLE';
+    public const MATCH = 'MATCH';
 
     public static function exists(string $value): bool
     {
         return isset([
             self::EXACT => true,
             self::GOP_MULTIPLE => true,
+            self::MATCH => true,
         ][$value]);
     }
 }
diff --git a/src/Service/MediaConvert/src/Enum/HlsSegmentLengthControl.php b/src/Service/MediaConvert/src/Enum/HlsSegmentLengthControl.php
index cca939d2a..0e6c344ad 100644
--- a/src/Service/MediaConvert/src/Enum/HlsSegmentLengthControl.php
+++ b/src/Service/MediaConvert/src/Enum/HlsSegmentLengthControl.php
@@ -3,20 +3,30 @@
 namespace AsyncAws\MediaConvert\Enum;
 
 /**
- * Specify how you want MediaConvert to determine the segment length. Choose Exact to have the encoder use the exact
- * length that you specify with the setting Segment length. This might result in extra I-frames. Choose Multiple of GOP
- * to have the encoder round up the segment lengths to match the next GOP boundary.
+ * Specify how you want MediaConvert to determine segment lengths in this output group. To use the exact value that you
+ * specify under Segment length: Choose Exact. Note that this might result in additional I-frames in the output GOP. To
+ * create segment lengths that are a multiple of the GOP: Choose Multiple of GOP. MediaConvert will round up the segment
+ * lengths to match the next GOP boundary. To have MediaConvert automatically determine a segment duration that is a
+ * multiple of both the audio packets and the frame rates: Choose Match. When you do, also specify a target segment
+ * duration under Segment length. This is useful for some ad-insertion or segment replacement workflows. Note that Match
+ * has the following requirements: - Output containers: Include at least one video output and at least one audio output.
+ * Audio-only outputs are not supported. - Output frame rate: Follow source is not supported. - Multiple output frame
+ * rates: When you specify multiple outputs, we recommend they share a similar frame rate (as in X/3, X/2, X, or 2X).
+ * For example: 5, 15, 30 and 60. Or: 25 and 50. (Outputs must share an integer multiple.) - Output audio codec: Specify
+ * Advanced Audio Coding (AAC). - Output sample rate: Choose 48kHz.
  */
 final class HlsSegmentLengthControl
 {
     public const EXACT = 'EXACT';
     public const GOP_MULTIPLE = 'GOP_MULTIPLE';
+    public const MATCH = 'MATCH';
 
     public static function exists(string $value): bool
     {
         return isset([
             self::EXACT => true,
             self::GOP_MULTIPLE => true,
+            self::MATCH => true,
         ][$value]);
     }
 }
diff --git a/src/Service/MediaConvert/src/Enum/TsPtsOffset.php b/src/Service/MediaConvert/src/Enum/TsPtsOffset.php
index ce4361a16..fd5d0f49e 100644
--- a/src/Service/MediaConvert/src/Enum/TsPtsOffset.php
+++ b/src/Service/MediaConvert/src/Enum/TsPtsOffset.php
@@ -7,17 +7,19 @@
  * automatically determine the initial PTS offset: Keep the default value, Auto. We recommend that you choose Auto for
  * the widest player compatibility. The initial PTS will be at least two seconds and vary depending on your output's
  * bitrate, HRD buffer size and HRD buffer initial fill percentage. To manually specify an initial PTS offset: Choose
- * Seconds. Then specify the number of seconds with PTS offset.
+ * Seconds or Milliseconds. Then specify the number of seconds or milliseconds with PTS offset.
  */
 final class TsPtsOffset
 {
     public const AUTO = 'AUTO';
+    public const MILLISECONDS = 'MILLISECONDS';
     public const SECONDS = 'SECONDS';
 
     public static function exists(string $value): bool
     {
         return isset([
             self::AUTO => true,
+            self::MILLISECONDS => true,
             self::SECONDS => true,
         ][$value]);
     }
diff --git a/src/Service/MediaConvert/src/Result/CreateJobResponse.php b/src/Service/MediaConvert/src/Result/CreateJobResponse.php
index 2f6e0abb5..b58714bcc 100644
--- a/src/Service/MediaConvert/src/Result/CreateJobResponse.php
+++ b/src/Service/MediaConvert/src/Result/CreateJobResponse.php
@@ -1491,6 +1491,7 @@ private function populateResultM2tsSettings(array $json): M2tsSettings
             'AudioDuration' => isset($json['audioDuration']) ? (string) $json['audioDuration'] : null,
             'AudioFramesPerPes' => isset($json['audioFramesPerPes']) ? (int) $json['audioFramesPerPes'] : null,
             'AudioPids' => !isset($json['audioPids']) ? null : $this->populateResult__listOf__integerMin32Max8182($json['audioPids']),
+            'AudioPtsOffsetDelta' => isset($json['audioPtsOffsetDelta']) ? (int) $json['audioPtsOffsetDelta'] : null,
             'Bitrate' => isset($json['bitrate']) ? (int) $json['bitrate'] : null,
             'BufferModel' => isset($json['bufferModel']) ? (string) $json['bufferModel'] : null,
             'DataPTSControl' => isset($json['dataPTSControl']) ? (string) $json['dataPTSControl'] : null,
@@ -1538,6 +1539,7 @@ private function populateResultM3u8Settings(array $json): M3u8Settings
             'AudioDuration' => isset($json['audioDuration']) ? (string) $json['audioDuration'] : null,
             'AudioFramesPerPes' => isset($json['audioFramesPerPes']) ? (int) $json['audioFramesPerPes'] : null,
             'AudioPids' => !isset($json['audioPids']) ? null : $this->populateResult__listOf__integerMin32Max8182($json['audioPids']),
+            'AudioPtsOffsetDelta' => isset($json['audioPtsOffsetDelta']) ? (int) $json['audioPtsOffsetDelta'] : null,
             'DataPTSControl' => isset($json['dataPTSControl']) ? (string) $json['dataPTSControl'] : null,
             'MaxPcrInterval' => isset($json['maxPcrInterval']) ? (int) $json['maxPcrInterval'] : null,
             'NielsenId3' => isset($json['nielsenId3']) ? (string) $json['nielsenId3'] : null,
diff --git a/src/Service/MediaConvert/src/Result/GetJobResponse.php b/src/Service/MediaConvert/src/Result/GetJobResponse.php
index 6a9046d48..ecc8a6e9c 100644
--- a/src/Service/MediaConvert/src/Result/GetJobResponse.php
+++ b/src/Service/MediaConvert/src/Result/GetJobResponse.php
@@ -1491,6 +1491,7 @@ private function populateResultM2tsSettings(array $json): M2tsSettings
             'AudioDuration' => isset($json['audioDuration']) ? (string) $json['audioDuration'] : null,
             'AudioFramesPerPes' => isset($json['audioFramesPerPes']) ? (int) $json['audioFramesPerPes'] : null,
             'AudioPids' => !isset($json['audioPids']) ? null : $this->populateResult__listOf__integerMin32Max8182($json['audioPids']),
+            'AudioPtsOffsetDelta' => isset($json['audioPtsOffsetDelta']) ? (int) $json['audioPtsOffsetDelta'] : null,
             'Bitrate' => isset($json['bitrate']) ? (int) $json['bitrate'] : null,
             'BufferModel' => isset($json['bufferModel']) ? (string) $json['bufferModel'] : null,
             'DataPTSControl' => isset($json['dataPTSControl']) ? (string) $json['dataPTSControl'] : null,
@@ -1538,6 +1539,7 @@ private function populateResultM3u8Settings(array $json): M3u8Settings
             'AudioDuration' => isset($json['audioDuration']) ? (string) $json['audioDuration'] : null,
             'AudioFramesPerPes' => isset($json['audioFramesPerPes']) ? (int) $json['audioFramesPerPes'] : null,
             'AudioPids' => !isset($json['audioPids']) ? null : $this->populateResult__listOf__integerMin32Max8182($json['audioPids']),
+            'AudioPtsOffsetDelta' => isset($json['audioPtsOffsetDelta']) ? (int) $json['audioPtsOffsetDelta'] : null,
             'DataPTSControl' => isset($json['dataPTSControl']) ? (string) $json['dataPTSControl'] : null,
             'MaxPcrInterval' => isset($json['maxPcrInterval']) ? (int) $json['maxPcrInterval'] : null,
             'NielsenId3' => isset($json['nielsenId3']) ? (string) $json['nielsenId3'] : null,
diff --git a/src/Service/MediaConvert/src/Result/ListJobsResponse.php b/src/Service/MediaConvert/src/Result/ListJobsResponse.php
index b84405d44..b54d3bd6e 100644
--- a/src/Service/MediaConvert/src/Result/ListJobsResponse.php
+++ b/src/Service/MediaConvert/src/Result/ListJobsResponse.php
@@ -1558,6 +1558,7 @@ private function populateResultM2tsSettings(array $json): M2tsSettings
             'AudioDuration' => isset($json['audioDuration']) ? (string) $json['audioDuration'] : null,
             'AudioFramesPerPes' => isset($json['audioFramesPerPes']) ? (int) $json['audioFramesPerPes'] : null,
             'AudioPids' => !isset($json['audioPids']) ? null : $this->populateResult__listOf__integerMin32Max8182($json['audioPids']),
+            'AudioPtsOffsetDelta' => isset($json['audioPtsOffsetDelta']) ? (int) $json['audioPtsOffsetDelta'] : null,
             'Bitrate' => isset($json['bitrate']) ? (int) $json['bitrate'] : null,
             'BufferModel' => isset($json['bufferModel']) ? (string) $json['bufferModel'] : null,
             'DataPTSControl' => isset($json['dataPTSControl']) ? (string) $json['dataPTSControl'] : null,
@@ -1605,6 +1606,7 @@ private function populateResultM3u8Settings(array $json): M3u8Settings
             'AudioDuration' => isset($json['audioDuration']) ? (string) $json['audioDuration'] : null,
             'AudioFramesPerPes' => isset($json['audioFramesPerPes']) ? (int) $json['audioFramesPerPes'] : null,
             'AudioPids' => !isset($json['audioPids']) ? null : $this->populateResult__listOf__integerMin32Max8182($json['audioPids']),
+            'AudioPtsOffsetDelta' => isset($json['audioPtsOffsetDelta']) ? (int) $json['audioPtsOffsetDelta'] : null,
             'DataPTSControl' => isset($json['dataPTSControl']) ? (string) $json['dataPTSControl'] : null,
             'MaxPcrInterval' => isset($json['maxPcrInterval']) ? (int) $json['maxPcrInterval'] : null,
             'NielsenId3' => isset($json['nielsenId3']) ? (string) $json['nielsenId3'] : null,
diff --git a/src/Service/MediaConvert/src/ValueObject/CmafGroupSettings.php b/src/Service/MediaConvert/src/ValueObject/CmafGroupSettings.php
index 0a655daf6..6b0b8ad32 100644
--- a/src/Service/MediaConvert/src/ValueObject/CmafGroupSettings.php
+++ b/src/Service/MediaConvert/src/ValueObject/CmafGroupSettings.php
@@ -221,9 +221,17 @@ final class CmafGroupSettings
     private $segmentLength;
 
     /**
-     * Specify how you want MediaConvert to determine the segment length. Choose Exact to have the encoder use the exact
-     * length that you specify with the setting Segment length. This might result in extra I-frames. Choose Multiple of GOP
-     * to have the encoder round up the segment lengths to match the next GOP boundary.
+     * Specify how you want MediaConvert to determine segment lengths in this output group. To use the exact value that you
+     * specify under Segment length: Choose Exact. Note that this might result in additional I-frames in the output GOP. To
+     * create segment lengths that are a multiple of the GOP: Choose Multiple of GOP. MediaConvert will round up the segment
+     * lengths to match the next GOP boundary. To have MediaConvert automatically determine a segment duration that is a
+     * multiple of both the audio packets and the frame rates: Choose Match. When you do, also specify a target segment
+     * duration under Segment length. This is useful for some ad-insertion or segment replacement workflows. Note that Match
+     * has the following requirements: - Output containers: Include at least one video output and at least one audio output.
+     * Audio-only outputs are not supported. - Output frame rate: Follow source is not supported. - Multiple output frame
+     * rates: When you specify multiple outputs, we recommend they share a similar frame rate (as in X/3, X/2, X, or 2X).
+     * For example: 5, 15, 30 and 60. Or: 25 and 50. (Outputs must share an integer multiple.) - Output audio codec: Specify
+     * Advanced Audio Coding (AAC). - Output sample rate: Choose 48kHz.
      *
      * @var CmafSegmentLengthControl::*|null
      */
diff --git a/src/Service/MediaConvert/src/ValueObject/DashIsoGroupSettings.php b/src/Service/MediaConvert/src/ValueObject/DashIsoGroupSettings.php
index 59c0a31d2..dffef1613 100644
--- a/src/Service/MediaConvert/src/ValueObject/DashIsoGroupSettings.php
+++ b/src/Service/MediaConvert/src/ValueObject/DashIsoGroupSettings.php
@@ -204,9 +204,17 @@ final class DashIsoGroupSettings
     private $segmentLength;
 
     /**
-     * Specify how you want MediaConvert to determine the segment length. Choose Exact to have the encoder use the exact
-     * length that you specify with the setting Segment length. This might result in extra I-frames. Choose Multiple of GOP
-     * to have the encoder round up the segment lengths to match the next GOP boundary.
+     * Specify how you want MediaConvert to determine segment lengths in this output group. To use the exact value that you
+     * specify under Segment length: Choose Exact. Note that this might result in additional I-frames in the output GOP. To
+     * create segment lengths that are a multiple of the GOP: Choose Multiple of GOP. MediaConvert will round up the segment
+     * lengths to match the next GOP boundary. To have MediaConvert automatically determine a segment duration that is a
+     * multiple of both the audio packets and the frame rates: Choose Match. When you do, also specify a target segment
+     * duration under Segment length. This is useful for some ad-insertion or segment replacement workflows. Note that Match
+     * has the following requirements: - Output containers: Include at least one video output and at least one audio output.
+     * Audio-only outputs are not supported. - Output frame rate: Follow source is not supported. - Multiple output frame
+     * rates: When you specify multiple outputs, we recommend they share a similar frame rate (as in X/3, X/2, X, or 2X).
+     * For example: 5, 15, 30 and 60. Or: 25 and 50. (Outputs must share an integer multiple.) - Output audio codec: Specify
+     * Advanced Audio Coding (AAC). - Output sample rate: Choose 48kHz.
      *
      * @var DashIsoSegmentLengthControl::*|null
      */
diff --git a/src/Service/MediaConvert/src/ValueObject/HlsGroupSettings.php b/src/Service/MediaConvert/src/ValueObject/HlsGroupSettings.php
index 9bfae292d..e0dfde9d7 100644
--- a/src/Service/MediaConvert/src/ValueObject/HlsGroupSettings.php
+++ b/src/Service/MediaConvert/src/ValueObject/HlsGroupSettings.php
@@ -245,9 +245,17 @@ final class HlsGroupSettings
     private $segmentLength;
 
     /**
-     * Specify how you want MediaConvert to determine the segment length. Choose Exact to have the encoder use the exact
-     * length that you specify with the setting Segment length. This might result in extra I-frames. Choose Multiple of GOP
-     * to have the encoder round up the segment lengths to match the next GOP boundary.
+     * Specify how you want MediaConvert to determine segment lengths in this output group. To use the exact value that you
+     * specify under Segment length: Choose Exact. Note that this might result in additional I-frames in the output GOP. To
+     * create segment lengths that are a multiple of the GOP: Choose Multiple of GOP. MediaConvert will round up the segment
+     * lengths to match the next GOP boundary. To have MediaConvert automatically determine a segment duration that is a
+     * multiple of both the audio packets and the frame rates: Choose Match. When you do, also specify a target segment
+     * duration under Segment length. This is useful for some ad-insertion or segment replacement workflows. Note that Match
+     * has the following requirements: - Output containers: Include at least one video output and at least one audio output.
+     * Audio-only outputs are not supported. - Output frame rate: Follow source is not supported. - Multiple output frame
+     * rates: When you specify multiple outputs, we recommend they share a similar frame rate (as in X/3, X/2, X, or 2X).
+     * For example: 5, 15, 30 and 60. Or: 25 and 50. (Outputs must share an integer multiple.) - Output audio codec: Specify
+     * Advanced Audio Coding (AAC). - Output sample rate: Choose 48kHz.
      *
      * @var HlsSegmentLengthControl::*|null
      */
diff --git a/src/Service/MediaConvert/src/ValueObject/M2tsSettings.php b/src/Service/MediaConvert/src/ValueObject/M2tsSettings.php
index d58e5cc03..706cdcbf8 100644
--- a/src/Service/MediaConvert/src/ValueObject/M2tsSettings.php
+++ b/src/Service/MediaConvert/src/ValueObject/M2tsSettings.php
@@ -68,6 +68,15 @@ final class M2tsSettings
      */
     private $audioPids;
 
+    /**
+     * Manually specify the difference in PTS offset that will be applied to the audio track, in seconds or milliseconds,
+     * when you set PTS offset to Seconds or Milliseconds. Enter an integer from -10000 to 10000. Leave blank to keep the
+     * default value 0.
+     *
+     * @var int|null
+     */
+    private $audioPtsOffsetDelta;
+
     /**
      * Specify the output bitrate of the transport stream in bits per second. Setting to 0 lets the muxer automatically
      * determine the appropriate bitrate. Other common values are 3750000, 7500000, and 15000000.
@@ -290,7 +299,7 @@ final class M2tsSettings
      * automatically determine the initial PTS offset: Keep the default value, Auto. We recommend that you choose Auto for
      * the widest player compatibility. The initial PTS will be at least two seconds and vary depending on your output's
      * bitrate, HRD buffer size and HRD buffer initial fill percentage. To manually specify an initial PTS offset: Choose
-     * Seconds. Then specify the number of seconds with PTS offset.
+     * Seconds or Milliseconds. Then specify the number of seconds or milliseconds with PTS offset.
      *
      * @var TsPtsOffset::*|null
      */
@@ -389,6 +398,7 @@ final class M2tsSettings
      *   AudioDuration?: null|M2tsAudioDuration::*,
      *   AudioFramesPerPes?: null|int,
      *   AudioPids?: null|int[],
+     *   AudioPtsOffsetDelta?: null|int,
      *   Bitrate?: null|int,
      *   BufferModel?: null|M2tsBufferModel::*,
      *   DataPTSControl?: null|M2tsDataPtsControl::*,
@@ -435,6 +445,7 @@ public function __construct(array $input)
         $this->audioDuration = $input['AudioDuration'] ?? null;
         $this->audioFramesPerPes = $input['AudioFramesPerPes'] ?? null;
         $this->audioPids = $input['AudioPids'] ?? null;
+        $this->audioPtsOffsetDelta = $input['AudioPtsOffsetDelta'] ?? null;
         $this->bitrate = $input['Bitrate'] ?? null;
         $this->bufferModel = $input['BufferModel'] ?? null;
         $this->dataPtsControl = $input['DataPTSControl'] ?? null;
@@ -481,6 +492,7 @@ public function __construct(array $input)
      *   AudioDuration?: null|M2tsAudioDuration::*,
      *   AudioFramesPerPes?: null|int,
      *   AudioPids?: null|int[],
+     *   AudioPtsOffsetDelta?: null|int,
      *   Bitrate?: null|int,
      *   BufferModel?: null|M2tsBufferModel::*,
      *   DataPTSControl?: null|M2tsDataPtsControl::*,
@@ -555,6 +567,11 @@ public function getAudioPids(): array
         return $this->audioPids ?? [];
     }
 
+    public function getAudioPtsOffsetDelta(): ?int
+    {
+        return $this->audioPtsOffsetDelta;
+    }
+
     public function getBitrate(): ?int
     {
         return $this->bitrate;
@@ -822,6 +839,9 @@ public function requestBody(): array
                 $payload['audioPids'][$index] = $listValue;
             }
         }
+        if (null !== $v = $this->audioPtsOffsetDelta) {
+            $payload['audioPtsOffsetDelta'] = $v;
+        }
         if (null !== $v = $this->bitrate) {
             $payload['bitrate'] = $v;
         }
diff --git a/src/Service/MediaConvert/src/ValueObject/M3u8Settings.php b/src/Service/MediaConvert/src/ValueObject/M3u8Settings.php
index 16f7824b5..8e42aa343 100644
--- a/src/Service/MediaConvert/src/ValueObject/M3u8Settings.php
+++ b/src/Service/MediaConvert/src/ValueObject/M3u8Settings.php
@@ -47,6 +47,15 @@ final class M3u8Settings
      */
     private $audioPids;
 
+    /**
+     * Manually specify the difference in PTS offset that will be applied to the audio track, in seconds or milliseconds,
+     * when you set PTS offset to Seconds or Milliseconds. Enter an integer from -10000 to 10000. Leave blank to keep the
+     * default value 0.
+     *
+     * @var int|null
+     */
+    private $audioPtsOffsetDelta;
+
     /**
      * If you select ALIGN_TO_VIDEO, MediaConvert writes captions and data packets with Presentation Timestamp (PTS) values
      * greater than or equal to the first video packet PTS (MediaConvert drops captions and data packets with lesser PTS
@@ -136,7 +145,7 @@ final class M3u8Settings
      * automatically determine the initial PTS offset: Keep the default value, Auto. We recommend that you choose Auto for
      * the widest player compatibility. The initial PTS will be at least two seconds and vary depending on your output's
      * bitrate, HRD buffer size and HRD buffer initial fill percentage. To manually specify an initial PTS offset: Choose
-     * Seconds. Then specify the number of seconds with PTS offset.
+     * Seconds or Milliseconds. Then specify the number of seconds or milliseconds with PTS offset.
      *
      * @var TsPtsOffset::*|null
      */
@@ -195,6 +204,7 @@ final class M3u8Settings
      *   AudioDuration?: null|M3u8AudioDuration::*,
      *   AudioFramesPerPes?: null|int,
      *   AudioPids?: null|int[],
+     *   AudioPtsOffsetDelta?: null|int,
      *   DataPTSControl?: null|M3u8DataPtsControl::*,
      *   MaxPcrInterval?: null|int,
      *   NielsenId3?: null|M3u8NielsenId3::*,
@@ -220,6 +230,7 @@ public function __construct(array $input)
         $this->audioDuration = $input['AudioDuration'] ?? null;
         $this->audioFramesPerPes = $input['AudioFramesPerPes'] ?? null;
         $this->audioPids = $input['AudioPids'] ?? null;
+        $this->audioPtsOffsetDelta = $input['AudioPtsOffsetDelta'] ?? null;
         $this->dataPtsControl = $input['DataPTSControl'] ?? null;
         $this->maxPcrInterval = $input['MaxPcrInterval'] ?? null;
         $this->nielsenId3 = $input['NielsenId3'] ?? null;
@@ -245,6 +256,7 @@ public function __construct(array $input)
      *   AudioDuration?: null|M3u8AudioDuration::*,
      *   AudioFramesPerPes?: null|int,
      *   AudioPids?: null|int[],
+     *   AudioPtsOffsetDelta?: null|int,
      *   DataPTSControl?: null|M3u8DataPtsControl::*,
      *   MaxPcrInterval?: null|int,
      *   NielsenId3?: null|M3u8NielsenId3::*,
@@ -291,6 +303,11 @@ public function getAudioPids(): array
         return $this->audioPids ?? [];
     }
 
+    public function getAudioPtsOffsetDelta(): ?int
+    {
+        return $this->audioPtsOffsetDelta;
+    }
+
     /**
      * @return M3u8DataPtsControl::*|null
      */
@@ -422,6 +439,9 @@ public function requestBody(): array
                 $payload['audioPids'][$index] = $listValue;
             }
         }
+        if (null !== $v = $this->audioPtsOffsetDelta) {
+            $payload['audioPtsOffsetDelta'] = $v;
+        }
         if (null !== $v = $this->dataPtsControl) {
             if (!M3u8DataPtsControl::exists($v)) {
                 throw new InvalidArgument(\sprintf('Invalid parameter "dataPTSControl" for "%s". The value "%s" is not a valid "M3u8DataPtsControl".', __CLASS__, $v));
diff --git a/src/Service/MediaConvert/src/ValueObject/SpekeKeyProvider.php b/src/Service/MediaConvert/src/ValueObject/SpekeKeyProvider.php
index 9a19ccb57..aff15007c 100644
--- a/src/Service/MediaConvert/src/ValueObject/SpekeKeyProvider.php
+++ b/src/Service/MediaConvert/src/ValueObject/SpekeKeyProvider.php
@@ -33,8 +33,8 @@ final class SpekeKeyProvider
     private $resourceId;
 
     /**
-     * Relates to SPEKE implementation. DRM system identifiers. DASH output groups support a max of two system ids. Other
-     * group types support one system id. See
+     * Relates to SPEKE implementation. DRM system identifiers. DASH output groups support a max of two system ids. HLS
+     * output groups support a max of 3 system ids. Other group types support one system id. See
      * https://dashif.org/identifiers/content_protection/ for more details.
      *
      * @var string[]|null
diff --git a/src/Service/MediaConvert/src/ValueObject/SpekeKeyProviderCmaf.php b/src/Service/MediaConvert/src/ValueObject/SpekeKeyProviderCmaf.php
index e4c626ab4..77fa5630e 100644
--- a/src/Service/MediaConvert/src/ValueObject/SpekeKeyProviderCmaf.php
+++ b/src/Service/MediaConvert/src/ValueObject/SpekeKeyProviderCmaf.php
@@ -35,9 +35,8 @@ final class SpekeKeyProviderCmaf
     private $encryptionContractConfiguration;
 
     /**
-     * Specify the DRM system ID that you want signaled in the HLS manifest that MediaConvert creates as part of this CMAF
-     * package. The HLS manifest can currently signal only one system ID. For more information, see
-     * https://dashif.org/identifiers/content_protection/.
+     * Specify up to 3 DRM system IDs that you want signaled in the HLS manifest that MediaConvert creates as part of this
+     * CMAF package. For more information, see https://dashif.org/identifiers/content_protection/.
      *
      * @var string[]|null
      */
diff --git a/src/Service/Route53/CHANGELOG.md b/src/Service/Route53/CHANGELOG.md
index e2a1750e1..d90bf0bfd 100644
--- a/src/Service/Route53/CHANGELOG.md
+++ b/src/Service/Route53/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## NOT RELEASED
 
+### Added
+
+- AWS api-change: Amazon Route 53 now supports the iso-f regions for private DNS Amazon VPCs and cloudwatch healthchecks.
+
 ## 2.7.0
 
 ### Added
diff --git a/src/Service/Route53/composer.json b/src/Service/Route53/composer.json
index 90197e931..432589625 100644
--- a/src/Service/Route53/composer.json
+++ b/src/Service/Route53/composer.json
@@ -29,7 +29,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "2.7-dev"
+            "dev-master": "2.8-dev"
         }
     }
 }
diff --git a/src/Service/Route53/src/Enum/VPCRegion.php b/src/Service/Route53/src/Enum/VPCRegion.php
index c47782d0c..976884811 100644
--- a/src/Service/Route53/src/Enum/VPCRegion.php
+++ b/src/Service/Route53/src/Enum/VPCRegion.php
@@ -39,6 +39,8 @@ final class VPCRegion
     public const US_GOV_EAST_1 = 'us-gov-east-1';
     public const US_GOV_WEST_1 = 'us-gov-west-1';
     public const US_ISOB_EAST_1 = 'us-isob-east-1';
+    public const US_ISOF_EAST_1 = 'us-isof-east-1';
+    public const US_ISOF_SOUTH_1 = 'us-isof-south-1';
     public const US_ISO_EAST_1 = 'us-iso-east-1';
     public const US_ISO_WEST_1 = 'us-iso-west-1';
     public const US_WEST_1 = 'us-west-1';
@@ -82,6 +84,8 @@ public static function exists(string $value): bool
             self::US_GOV_EAST_1 => true,
             self::US_GOV_WEST_1 => true,
             self::US_ISOB_EAST_1 => true,
+            self::US_ISOF_EAST_1 => true,
+            self::US_ISOF_SOUTH_1 => true,
             self::US_ISO_EAST_1 => true,
             self::US_ISO_WEST_1 => true,
             self::US_WEST_1 => true,
diff --git a/src/Service/Route53/src/Route53Client.php b/src/Service/Route53/src/Route53Client.php
index 781b3b18e..2aed3bf03 100644
--- a/src/Service/Route53/src/Route53Client.php
+++ b/src/Service/Route53/src/Route53Client.php
@@ -431,6 +431,9 @@ public function listHostedZonesByName($input = []): ListHostedZonesByNameRespons
      *   The results begin with the first resource record set in the list whose name is greater than or equal to `Name`, and
      *   whose type is greater than or equal to `Type`.
      *
+     *   > Type is only used to sort between records with the same record Name.
+     *
+     *
      * **Resource record sets that are PENDING**
      *
      * This action returns the most current version of the records. This includes records that are `PENDING`, and that are